e1 is the e.c.e of an element of chemical equivalence E1. The e.c.e of an element of chemical equivalence E2 is

e1 is the e.c.e of an element of chemical equivalence E1. The e.c.e of

1.	e1 is the e.c.e of an element of chemical equivalence E1. The e.c.e of an element of chemical equivalence E2 is
A.	\(\frac{{E2E1}}{{e1}}\)
B.	\(\frac{{E1}}{{e1E2}}\)
C.	\(\frac{{e1E1}}{{E2}}\)
D.	\(\frac{{e1E2}}{{E1}}\)
Answer» E.